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10/28/2014, 10:40 AM
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#1 |
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Premium Member
 
Join Date: Aug 2001
Location: Berkeley, CA, USA
Posts: 5,024
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Shields up
I've been trying to get more action shots, this time focusing on cavity eviction behavior in Neogonodactylus oerstedii. The most common attack mode by intruders is what I call "Lunge-strike-coil". The intruder dives in to the cavity entrance head first, strikes and immediately recoils in front of the cavity with the telson brought up to shield against a counter attack by the resident. This happens in less than a tenth of a second. Here a male N. oerstedii is recoiling in open water in front of a female's cavity. He has alread struck and the extended raptorial appendage dactyls offer additional protection against a counter attack.
Roy |
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10/28/2014, 12:17 PM
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#2 |
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Registered Member
Join Date: Feb 2011
Location: Holland, PA
Posts: 196
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That picture is amazing, it doesn't even look real.
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10/28/2014, 12:17 PM
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#3 |
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Premium Member
Join Date: Aug 2001
Location: Berkeley, CA, USA
Posts: 5,024
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Another shot with the resident female counter attacking.
I shot most of these images at 1/30,000 of a second. That is enough to stop the action, but stopping the action sometimes makes it difficult to tell what is happening. Roy Last edited by Gonodactylus; 10/28/2014 at 12:27 PM. |
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10/28/2014, 02:52 PM
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#4 |
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Registered Member
Join Date: Sep 2014
Location: sgv
Posts: 22
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that looks very cool !
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10/28/2014, 09:17 PM
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#5 |
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Harlequin Shrimp
Join Date: Aug 2013
Location: Somewhere
Posts: 3,814
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The clearity of these photos never cease to amaze!
__________________
Joe |
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10/31/2014, 04:45 AM
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#6 |
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Registered Member
Join Date: Oct 2012
Location: St.Louis
Posts: 5,052
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Great shots,was this in captivity or in the great blue under?
__________________
Dave. "I have learned all kinds of things from my many mistakes. The one thing I never learn is to stop making them." --Nicomo Cosca. Current Tank Info: 225 mixed w/ 225 sump 550 lbs live rock,3x MarinePure ceramic blocks,Skimz SM201,Geo 618 CR,Vectra L1,DOS automatic water changes,3x 250w MH w/ 4x actinic T5,All ran by Apex thru Fusion.--57 community tank w/ OR T-247,120 nem tank. |
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10/31/2014, 07:43 AM
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#7 |
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Premium Member
Join Date: Aug 2001
Location: Berkeley, CA, USA
Posts: 5,024
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They are aquarium shots. There is no way I could set up the lighting needed to capture the action in the field.
Roy |
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10/31/2014, 01:57 PM
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#8 |
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Registered Member
Join Date: Mar 2010
Location: Mid-Michigan
Posts: 83
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Astonishing images! How cool that the Big Dude in the realm of Stomatopods is a regular contributor to these boards.
Admittedly I have no experience with the genus, much less that I lost my reef tank to a four-day power loss. My generator failed when the capacitor melted after 19 hours. I evacuated the livestock that survived to the LFS. I'd restock but we are selling the house in the near future. I might go the (biggish) nano route. My bestest friend from college and grad school is a prof in the UCB College of Social Justice. I'll have to check with him to see if he's ever hoisted a pint with you. Keep up your highly valuable work! |
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